The method of psychology must be objective, even when studying subjective phenomena.

政治语言旨在使谎言听起来真实，使谋杀显得可敬，给纯粹的空气以坚实的外表。

Parental investment is the key to understanding sex differences in mating strategies.

每起谋杀都有故事，每个杀手都有理由。

你越努力，就越幸运。